Let's eat lunch in the school cafeteria.

He is an expert in speleology and is exploring caves around the world.

He is majoring in meteorology at university.

He is an expert in dynamics.

He is passionate about his research in futurology.

She went to school in her new school uniform.

He is majoring in Sinology at university.

He is known as an expert in subcritical nuclear experiments.

There is a proverb that says, 'Plan your day in the morning and your year on New Year's Day,' which means that you should plan your day in the morning and your year on New Year's Day.

He defeated the enemy using the Thirty-Six Stratagems.